Mountable substrate having dual cup holders



FIG. 1 is a perspective view of a mountable substrate having dual cup holders, embodying my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a first side elevation view thereof; and,

FIG. 5 is a second side elevation view thereof.

The new design of the mountable substrate having dual cup holders is symmetrical.

The broken lines shown are included for the purpose of illustrating portions of the mountable substrate having dual cup holders that form no part of the claim. 

CLAIM The ornamental design for a mountable substrate having dual cup holders, as shown and described. 